Found alongside Sapling and Purpleberry in the Emerald Enclave. The trio are practically siblings, having developed their own basic 'language' from tsabhua and tark'ee vocalizations to communicate specifically amongst each other.

Tenebris is the responsible and vain one. She cares a lot about appearances and reputation--things which her brothers very much do not care about--but she still tries to keep them out of trouble...even if she only intervenes at the last minute.